A. E. Yilmaz, A. Koktener, N. Celik, H. Akca, M. Bilici, and E. Mete, “Frequency of pleural effusion in acute bronchiolitis and its effect on prognosis”, Multidiscip Respir Med, vol. 6, no. 1, Dec. 2019, doi: 10.4081/mrm.2011.458.